if mitt romney can't carry ohio, that's a very good sign for president obama. >> if president obama wins virginia, the state you're talking about, or ohio, can romney still win the election? >> he can. you know, politics is a very funny business, as you know. that's why we hold elections. he can still win, but the path for him gets very hard if he can't win virginia. as you said, ed, mitt romney can win the presidency. he's not likely to because the battleground states and the math there is so hard for him. >> so here we are looking at three states to watch tomorrow. ohio, virginia and florida. which counties are critical for president obama in the state of ohio? >> in the state of ohio, probably we'll be looking at hamilton county, which is a cincinnati suburb.